2769

Math

# Area of a triangle using Heron's formula

calculator calculates the area of a triangle after a length of three sides.

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Math

## Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

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Math

## Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.

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Math

## Arabic numbers Converter - Roman

Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.

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Financial

## Purchase price / sales tax bill

Financial Calculator will calculate the price of the purchase or sale of Treasury bills and the amount and an annual discount rate.

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Chemical

## Dilution of solutions

Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.

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Life

## Calculator child's blood group

Calculator based on blood group made of both parents, given that they are owned by the child possible blood groups.

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Building

## Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.